IMac :: Won't Work With Monitor / Weird Traffic
Jun 29, 2009
I have a 20inch imac (bought in summer 2007). I am just getting into using it as my primary computer. I was playing around in order to learn more and I found something through Activity Monitor that does not make sense to me.
In the Network Activity tab, I see "Data received:" and "Data sent:" sections. As I browse the web, these numbers change of course, but it seems that the Data received quickly reaches hundreds of megabytes! Right now, Data received: is 540MB and Data sent: is 280MB (after a reboot earlier in the day). I am not using the iMac as a server or anything and I have never seen a Windows PC sending out so many packets in the course of browsing the web. Is this in line with others' experience? Should I be concerned about a spyware program on my iMac?
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Apr 29, 2009
I have been having problems with uploads from my computer: is there a program that will help me monitor traffic and also pinpoint where all my traffic is going?
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Jul 20, 2009
I'm planning to connect an external hard disk to an AEBS and open the right ports to allow Internet access. I plan on distributing the HDs IP address and password among some friends for a collaborative project. Is there any way for me to monitor the inbound/outbound traffic of such a situation? Perhaps even log which IP addresses do what, so I have a history of each user's actions? This sounds like something akin to an incredibly stripped down version of the Admin Tool suite available on OS X Server.
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Nov 9, 2009
so there is my question. will the speakers work as you use the mac as a monitor?
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Aug 16, 2010
I bought the mini-display port to dual link dvi adaptor for $99. However, it doesn't work from going from my pc to the imac or from my macbook pro to the imac. I find it retarded that they wouldn't even sell a working adapter.
Has anyone gotten this to work or does anyone know which adapter I can buy to get this going?
Again.
-PC to iMac
-2009 (pre-minidisplay port) dvi to imac.
I need it to be dual link dvi because I want to use it at max resolution.
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Apr 10, 2010
After opening my macbook pro from sleep sometimes, maybe all the time, when i move cursor in the top left of the screen (area approx 2 inch down by 1 inch across from top corner) where the trackpad is unresponsive. I can move the cursor around there but i cant select anything so eg, closing a tab in safari.
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Oct 28, 2009
Back in August, I did an OS update on my iMac, and the machine wouldn't reboot. I was able to reinstall Leopard by booting from a disk, and all was well for a few more weeks. The machine seemed to run normal, with the exception of 5-minute-plus boot up times. But within a few weeks it stopped booting. I installed Leopard on an external HDD and figured I'd leave the internal alone until Snow Leopard came out.
A few weeks later when SL was released, I booted from the install disk, found the internal HDD, and went through the installation process. Everything went fine but the machine would not boot. I installed SL on my external HDD running Leopard, and everything was fine. I've since been running my computer off the external.
The internal HDD no longer shows up on the desktop, in Disk Utility, etc. I'm fearing it may have died. More worrisome, though, is my machine doesn't always boot up, whether from my external HDD (set as the startup disk) or from CD. By "doesn't always boot up," I mean most of the time when I restart, it just sits on a gray screen, nothing happens (even when holding "Option" or C.) Sometimes it will boot, but takes 20 or 30 minutes to do so.
I'm considering replacing the internal HDD, but am curious, does that seem like the issue, or might the failure to boot from externals and CDs indicate a more serious problem?
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Jun 27, 2009
I have a 22" Dell external monitor on my MBP. I know that I just close the cover to my MBP to shut off the screen. What do I do in those instances that I want to use both screens? There has to be something simpler than restarting the MBP?
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Mar 20, 2009
My G4 iMac has been making a weird fan sound (a flickering sound, as if there were a piece of paper in it or something). Last night I turned it off and the weird fan continued running. I tried to unplug my mac and plug it back in, but the fan just starts right back up. The computer won't start, I've tried holding the start button but nothing happens. I need my computer today to work.
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Jan 22, 2010
my imac boots normally unless three things happen prior to it
1. i put the computer to sleep
2. i schedule a shut down via energy save
3. my computer undergoes a forced shutdown e.g. via power button or power failure
if any of these occur i get the infamous flashing question mark, however if i wait 30 mins it boots normally again, is there a reason for these problems other than a failing HD and can i do anything about it
f.y.i. i have already attempted clean/fresh installs of leopard and snow leopard
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Feb 12, 2010
Any time I boot up my i5, I don't have any audio. Putting the machine to sleep then immediately awakening it fixes the issue. Has anyone else had this happen? I've searched the forums and google but could only find threads about boot camp sound issues.
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Sep 22, 2008
The mouse cursor on my iMac has a weird habit of jumping around. Eg, I'll be about to close a window, and then the cursor will suddenly jump to the bottom of the screen.This happens with both my Mighty Mouse, and a Microsoft one...
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Nov 1, 2010
My iMac has been running very very slowly for about 2 weeks. I am talking very very slowly. It seems to be processing time. I will be in word, move the cursor and it will take a few seconds to get there. Sometimes I have to wait a minute after I click on something for the cursor to catch up, and (hate to say it) even 2 minutes. That's like a millennium in Mac time.
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Oct 22, 2009
I was surprised one day to find an inch of white line running from top to bottom on my screen. Then after a week it expanded to two inches white line, then suddenly it turned all black and I can't see two inches of my screen from the right edge. I was reading some forums and found out that I can use a dell monitor as a secondary monitor, but is it possible to use the dell monitor as the primary monitor in case the black line will spread throughout the entire iMac screen? so the iMac would serve as a stand alone processor like a regular desktop?
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Feb 27, 2006
Just found identified that for me to fix an issue with iTunes multiple speakers I need to open two UDP ports (6001 and 6002) on my firewall. What does this mean and could this cause a problem with the security of my network?
Basically, whats the impact on me if I open them?
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Jun 16, 2010
Is there anyway to encrypt incoming traffic so people wouldn't know what I am downloading? I have an airport extreme base station and am wondering if it is possible to do it through that. If not, what would be the best software way to do this? Now, since illegally downloading is bad
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Jul 13, 2010
I was asking some time ago telling about the traffic that is coming in, dont know where it originate from. But now its coming with 800KB/s, and its KB not kb. I'm connected directly to internet, no firewall, static IP. I can see in little snitch some local computers. Wonder if I'm safe with OSX ? kernel_task process was so high, it attracted my attention
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Sep 7, 2009
System: uMB 2.4/4GB Ram, October 2008, running 10.6. In the past couple days, I've all-of-a-sudden noticed that I'm receiving incoming network traffic; sometimes it's 300-400kbps, sometimes it's almost 1Mbps. It'll occasionally stop for a period of a few seconds to a minute, then pick up again. Disconnecting the computer from the network will stop it (obv), but it picks right up immediately upon reconnecting.
No programs are running that would seem to cause this behavior. Nothing is being downloaded (I mostly do that on a separate machine anyways) and nothing is running when this begins that would lean me towards a problem. Switching from a wired connection to a wireless connection does stop the download completely, which lends me to think that this is most likely an attack on that IP, though I can't find a way to be sure or to even look further on that idea.
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Mar 23, 2012
What is the process used to direct certain IP addresses or a range of IP addresses to the second ethernet connection on a Mac Pro? I have a set of Mac Pros that use the first connection for internet access and corporate server connections using Samba. But the second ethernet connection is used for a lan between the Mac Pros and printers. It currently works but it take a bit for the "connect to servers" dialog to connect to a Mac Pro on the lan because I think it is searching Connection 1 first which has hundreds of Windows servers attached to it. And it takes several minutes to connect if our service has an interruption on Connection 1. All of the Mac Pros and printers are set up to use a manual IP address (192.168...) The Mac Pro workstations use Snow Leopard and we have a Mac Pro Server running Lion Server that we use to conntrol a network RAID.
Info:
Mac Pro, Mac OS X (10.6.5)
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Aug 31, 2010
I'm using Tunnelblick to a OVPN server. I noticed Tunnelblick doesn't have an option to "send all traffic over VPN" like say Viscosity does, I would use Viscosity but I'm on a 64 bit kernel and Viscosity has no support for that, I know there are several guides but they don't work. So simply, how do I know if Tunnelblick is sending all traffic over VPN or not?
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Sep 17, 2010
Especially since it is open source, it surely shouldn't be too difficult to modify the traffic lights to be vertical in Mozilla Firefox like they are in iTunes 10. I've seen that you can change the iTunes 10 traffic lights to be horizontal. How would I do the opposite in Firefox?
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Oct 7, 2010
Here is the situation. my family has someone staying with them our house who is basically addicted to internet pornography. They will be here for a while as they have hit a rough patch in their life and we are trying to help them out.
We already had a block set up with openDNS to effectively block all web sites through our router (apple time capsule) but that doesn't do anything to block p2p file sharing and our guest has figured this out. I discovered this because they are not too computer literate and all of their downloads from limewire and frostwire ended up showing up in their itunes shared library.
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Jan 16, 2010
Recently my internet has been slow, and even though I reboot my iStat Pro reports that I'm always downloading and uploading stuff (the speeds are like 100 kilobytes/sec) even though I have no applications running (I only have Finder in my Dock). How can I see what is using up my bandwidth?
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May 24, 2009
First of all I'm new here so just wanted to say 'Hi', its been great to see all the discussions on these forums and they help a lot with buying tips and troubleshooting so thanks.
Problem #1 I purchased a refurb 24" 2.8GHz imac early May and have been using it since then and so far other than the "normal" gradient issue and a brownish tinge around the edges of the screen it has been good.
Lately I've been using Aperture a lot and first started to notice that in some pictures especially ones with quite a bit of highlights like clouds that there are small hatch like patches in all the pics. I know it isn't the pictures but the imac screen itself as you can see it on the desktop as well. It only seems to be centralized in the upper left hand section of the screen and they seem to be lite purple/blue in color. And like I said its only in patches in certain spots on the screen. Don't know if I'm being over anal about this or is this a problem?
Problem #2 I switched to a solid blue background to check the above problem and notice that there is screen burn in of the top and bottom header in the outline of my firefox window on the blue screen. Between switching windows often and applications very frequently and not leaving the computer at all... what the heck? Not normal for imac screens is it? Heat issue causing burn in? Hasn't been an issue with any other LCD I've ever used.
By the way the imac came in a new white box and was wrapped like new in perfect condition but I popped it open without ever starting it once to make a hard drive swap and the thing was definitely a bit dusty inside so in now way was it just used for a couple weeks before being given back to apple.
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Jan 11, 2009
I am looking for some advice from some pro network admins / elite type users.
I have some specific problems I am trying to address and could use a pointer in the right direction in terms of what software to get.
a) I'm looking for any software suite / program, MAC or PC, which can enable me to detect TRAFFIC on MY OWN network, and possibly correlate that traffic with known port numbers to create a graph / picture / etc of WHAT KIND of traffic a specific IP address / interface is transacting.
The purpose of this is to attempt to pinpoint how much torrenting / limewire / etc is going on on my network, and from what computers.
b) Any advice on any wireless router brand / model that enables IP / computer based bandwidth throttling such that I can clamp down on people who leech and drive my ping times through the roof.
This is a home network, college residence with approx 10 different users on the network. I have full control over the cable modem and the router. It is a consumer model (netgear) with limited configuration options, but very good wireless reception.
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May 26, 2009
I need to block outgoing traffic on specific ports. Is there anything default in OS X to do this? If not, what application could I use? I'd prefer to use the OS, if it has an ability to do this.
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Aug 19, 2008
I'm new to this forum and I just bought a new iMac 20" 2.66GHz, I turned on my computer and noticed a weird sound (buzzing or humming noise) not loud but loud enough to here I notice when I messed with the Brightness it went away is there something wrong with that or is that a known issue?
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Mar 4, 2008
Will any monitor work with a mac mini?
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Mar 16, 2009
Just bought a new monitor and hooked it up to my MBA. Screen saver looks fine but the page is displayed off screen far left and the cursor is not visible at all. Works fine with my Powerbook so I don't think it's a monitor problem. Are there settings which could be wrong?
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Jul 21, 2009
Recently I wiped OS X out and installed XP alone. I used the Leopard disc to install the necessary drivers and everything seems to work well except for my second monitor.
I have an HP w1907 connected to my MBP through DVI, and I followed my usual process of:
Right Click on Desktop > Properties > Settings > Click on second monitor > Click "Extend Desktop to this device" ...and nothing seems to happen. I've tried changing the resolution, unplugging the monitor and trying again, but I can't get any result.
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